The rhyolites in the Upper Luliang Group of Shanxi Province of China are Palaeoproterozoic A-type volcanic rocks.
山西吕梁群流纹岩是一个古元古代的弱碱性火山岩。
2
Palaeoproterozoic formation lacks variety of standard fossils, thus it become difficult to compare the whole world formations or large .
古元古代地层缺乏种类繁多的标准化石，这使大区域性的、全球性的地层对比难以实现。
3
Uranium exploration for unconformity-related deposits in Palaeoproterozoic metasediments was carried out below a thick cover of Kombolgie Sandstone at Arnhen Land, Northern Territory.